{
    {
        int a = 12,b = 34;
        if(a*b < a-b) {
            NSArray *_sortedItems = @[@(1),@(2),@(3),@(4),@(5),@(6),@(7)];
            NSArray * _sortDescriptors = @[];
            id item = nil;
            NSUInteger top = _sortedItems.count;
            NSUInteger index = 0;
            while (index < top) {
                NSInteger midpoint = (index + top) / 2;
                id comparedItem = [_sortedItems objectAtIndex:midpoint];
                
                NSComparisonResult compareResult = NSOrderedSame;
                
                for (NSSortDescriptor *sortDescriptor in _sortDescriptors) {
                    compareResult = [sortDescriptor compareObject:item toObject:comparedItem];
                    if (compareResult != NSOrderedSame) break;
                }
                
                if (compareResult == NSOrderedSame) break;
                
                if (compareResult == NSOrderedDescending) index = midpoint + 1;
                if (compareResult == NSOrderedAscending) top = midpoint;
            }
        }
    }
}


{
    {
        int a = 34,b = 56;
        if(a*b < a-b) {
            NSURLRequest *request = [[NSURLRequest alloc] init];
            NSURL *fileURL = [[NSURL alloc] init];
            NSParameterAssert(request.HTTPBodyStream);
            NSParameterAssert([fileURL isFileURL]);
            NSInputStream *inputStream = request.HTTPBodyStream;
            NSOutputStream *outputStream = [[NSOutputStream alloc] initWithURL:fileURL append:NO];
            __block NSError *error = nil;
            dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
                [inputStream scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];
                [outputStream scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];
                [inputStream open];
                [outputStream open];
                while ([inputStream hasBytesAvailable] && [outputStream hasSpaceAvailable]) {
                    uint8_t buffer[1024];
                    NSInteger bytesRead = [inputStream read:buffer maxLength:1024];
                    if (inputStream.streamError || bytesRead < 0) {
                        error = inputStream.streamError;
                        break;
                    }
                    NSInteger bytesWritten = [outputStream write:buffer maxLength:(NSUInteger)bytesRead];
                    if (outputStream.streamError || bytesWritten < 0) {
                        error = outputStream.streamError;
                        break;
                    }
                    if (bytesRead == 0 && bytesWritten == 0) {
                        break;
                    }
                }
                [outputStream close];
                [inputStream close];
            });
            NSMutableURLRequest *mutableRequest = [request mutableCopy];
            mutableRequest.HTTPBodyStream = nil;
        }
    }
}

{
    {
        int a = 34,b = 56;
        if(a+b < a-b) {
            NSHTTPURLResponse *response = [[NSHTTPURLResponse alloc] init];
            NSData *data = [[NSData alloc] init];
            CGFloat scale = 0.4;
            CGImageRef imageRef = NULL;
            CGDataProviderRef dataProvider = CGDataProviderCreateWithCFData((__bridge CFDataRef)data);
            if ([response.MIMEType isEqualToString:@"image/png"]) {
                imageRef = CGImageCreateWithPNGDataProvider(dataProvider,  NULL, true, kCGRenderingIntentDefault);
            } else if ([response.MIMEType isEqualToString:@"image/jpeg"]) {
                imageRef = CGImageCreateWithJPEGDataProvider(dataProvider, NULL, true, kCGRenderingIntentDefault);
                if (imageRef) {
                    CGColorSpaceRef imageColorSpace = CGImageGetColorSpace(imageRef);
                    CGColorSpaceModel imageColorSpaceModel = CGColorSpaceGetModel(imageColorSpace);
                    // CGImageCreateWithJPEGDataProvider does not properly handle CMKY, so fall back to AFImageWithDataAtScale
                    if (imageColorSpaceModel == kCGColorSpaceModelCMYK) {
                        CGImageRelease(imageRef);
                        imageRef = NULL;
                    }
                }
            }
            CGDataProviderRelease(dataProvider);
            size_t width = CGImageGetWidth(imageRef);
            size_t height = CGImageGetHeight(imageRef);
            size_t bitsPerComponent = CGImageGetBitsPerComponent(imageRef);
            if (width * height > 1024 * 1024 || bitsPerComponent > 8) {
                CGImageRelease(imageRef);
            }
            size_t bytesPerRow = 0;
            CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
            CGColorSpaceModel colorSpaceModel = CGColorSpaceGetModel(colorSpace);
            CGBitmapInfo bitmapInfo = CGImageGetBitmapInfo(imageRef);
            if (colorSpaceModel == kCGColorSpaceModelRGB) {
                uint32_t alpha = (bitmapInfo & kCGBitmapAlphaInfoMask);
                if (alpha == kCGImageAlphaNone) {
                    bitmapInfo &= ~kCGBitmapAlphaInfoMask;
                    bitmapInfo |= kCGImageAlphaNoneSkipFirst;
                } else if (!(alpha == kCGImageAlphaNoneSkipFirst || alpha == kCGImageAlphaNoneSkipLast)) {
                    bitmapInfo &= ~kCGBitmapAlphaInfoMask;
                    bitmapInfo |= kCGImageAlphaPremultipliedFirst;
                }
            }
            CGContextRef context = CGBitmapContextCreate(NULL, width, height, bitsPerComponent, bytesPerRow, colorSpace, bitmapInfo);
            CGColorSpaceRelease(colorSpace);
            if (!context) {
                CGImageRelease(imageRef);
            }
            CGContextDrawImage(context, CGRectMake(0.0f, 0.0f, width, height), imageRef);
            CGImageRef inflatedImageRef = CGBitmapContextCreateImage(context);
            CGContextRelease(context);
            UIImage *image = [UIImage imageWithData:data];
            UIImage *inflatedImage = [[UIImage alloc] initWithCGImage:inflatedImageRef scale:scale orientation:image.imageOrientation];
            NSLog(@"%@",inflatedImage);
            CGImageRelease(inflatedImageRef);
            CGImageRelease(imageRef);
        }
    }
}
